20516104

素因数分解:

$2^3\times 7^2\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 45144000

約数和(自身を除く): 24627896

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 199, 263, 392, 398, 526, 796, 1052, 1393, 1592, 1841, 2104, 2786, 3682, 5572, 7364, 9751, 11144, 12887, 14728, 19502, 25774, 39004, 51548, 52337, 78008, 103096, 104674, 209348, 366359, 418696, 732718, 1465436, 2564513, 2930872, 5129026, 10258052, 20516104]

約数ペア:

[(1, 20516104), (2, 10258052), (4, 5129026), (7, 2930872), (8, 2564513), (14, 1465436), (28, 732718), (49, 418696), (56, 366359), (98, 209348), (196, 104674), (199, 103096), (263, 78008), (392, 52337), (398, 51548), (526, 39004), (796, 25774), (1052, 19502), (1393, 14728), (1592, 12887), (1841, 11144), (2104, 9751), (2786, 7364), (3682, 5572)]